/*
 * Copyright (C) 2010 Graham Allan
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.strath.cis.grallan.findbugs.adaptiveranking.gui.sort;

import java.util.Comparator;

import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.gui2.BugLeafNode;

/**
 * Extracts the BugInstance from a BugLeafNode when asked to
 * {@link #compare(BugLeafNode, BugLeafNode)}. Extend when a {@link Comparator<BugLeafNode>} is
 * required, but you actually want to compare using {@link BugInstance}.
 * 
 * @author Graham Allan (grallan@cis.strath.ac.uk)
 */
public abstract class BugFromLeafNodeComparator implements Comparator<BugLeafNode> {

	public int compare(BugLeafNode o1, BugLeafNode o2) {
		return compare(o1.getBug(), o2.getBug());
	}

	abstract int compare(BugInstance b1, BugInstance b2);
}